CN114442852B

CN114442852B - Touch panel, touch method, electronic device and storage medium

Info

Publication number: CN114442852B
Application number: CN202210107344.7A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Beijing Eswin Computing Technology Co Ltd
Current assignee: Beijing Eswin Computing Technology Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2023-03-10
Anticipated expiration: 2042-01-28
Also published as: US20230244343A1; CN114442852A

Abstract

A touch panel, a touch method, an electronic device, and a non-transitory computer-readable storage medium. The touch panel comprises a touch chip and a touch electrode. The touch chip is configured to generate a touch driving signal and apply the touch driving signal to the touch electrode, the touch electrode is configured to receive the touch driving signal and generate a touch sensing signal based on the touch driving signal, the touch driving signal includes a plurality of sub-signals, the plurality of sub-signals includes a first sub-signal and a second sub-signal, and the first sub-signal and the second sub-signal are different.

Description

Touch panel, touch method, electronic device and storage medium

Technical Field

Embodiments of the present disclosure relate to a touch panel, a touch method, an electronic device, and a non-transitory computer-readable storage medium.

Background

Electromagnetic Interference (EMI) is electronic noise that interferes with the cable signal and degrades the signal integrity, and generally includes conducted Interference and radiated Interference. Conducted interference refers to coupling (interfering) a signal on one electrical network to another electrical network through a conductive medium. Radiated interference refers to interference sources coupling (interfering) signals through space to another electrical network. In high-speed Printed Circuit Board (PCB) and system design, high-frequency signal lines, integrated Circuit pins, various connectors, etc. may become radiation interference sources with antenna characteristics, and can emit electromagnetic waves and affect normal operation of other systems or other subsystems in the system.

Disclosure of Invention

At least one embodiment of the present disclosure provides a touch panel, including a touch chip and a touch electrode, where the touch chip is configured to generate a touch driving signal and apply the touch driving signal to the touch electrode, the touch electrode is configured to receive the touch driving signal and generate a touch sensing signal based on the touch driving signal, the touch driving signal includes a plurality of sub-signals, the plurality of sub-signals includes a first sub-signal and a second sub-signal, and the first sub-signal and the second sub-signal are different.

For example, in a touch panel provided in at least one embodiment of the present disclosure, each sub-signal has a plurality of characteristics, the plurality of characteristics of each sub-signal includes a rising edge time, a falling edge time, and a duration of the sub-signal, and at least one characteristic of the first sub-signal and at least one characteristic of the second sub-signal are different.

For example, in a touch panel provided in at least one embodiment of the present disclosure, the plurality of sub-signals include a plurality of sub-signal groups, each sub-signal group includes N sub-signals, N is a positive integer greater than 1, and the N sub-signals include the first sub-signal and the second sub-signal.

For example, in the touch panel provided in at least one embodiment of the present disclosure, at least two rising edge times of the N rising edge times respectively corresponding to the N sub signals are different.

For example, in the touch panel provided in at least one embodiment of the present disclosure, in terms of time, the N sub-signals are sequentially generated, and the N rising edge times respectively corresponding to the N sub-signals sequentially increase or sequentially decrease according to the generation sequence of the N sub-signals.

For example, in the touch panel provided in at least one embodiment of the present disclosure, N falling edge times respectively corresponding to the N sub-signals are the same.

For example, in the touch panel provided in at least one embodiment of the present disclosure, at least two falling edge times of the N falling edge times respectively corresponding to the N sub signals are different.

For example, in the touch panel provided in at least one embodiment of the present disclosure, in terms of time, the N sub-signals are sequentially generated, and N falling edge times respectively corresponding to the N sub-signals sequentially increase or sequentially decrease according to a generation order of the N sub-signals.

For example, in the touch panel provided in at least one embodiment of the present disclosure, N durations corresponding to the N sub-signals are all the same.

For example, in the touch panel provided in at least one embodiment of the present disclosure, at least two durations of the N durations respectively corresponding to the N sub signals are different.

For example, in the touch panel provided in at least one embodiment of the present disclosure, in terms of time, the N sub-signals are sequentially generated, and N durations respectively corresponding to the N sub-signals sequentially increase or sequentially decrease according to a generation order of the N sub-signals.

For example, in the touch panel provided in at least one embodiment of the present disclosure, a difference between durations of two sub signals generated adjacent to each other in time in the N sub signals is a fixed value.

For example, in the touch panel provided in at least one embodiment of the present disclosure, the N sub-signals further include a third sub-signal, the first sub-signal is a triangular wave signal, the second sub-signal is a sine wave signal, and the third sub-signal is a trapezoidal wave signal.

For example, at least one embodiment of the present disclosure provides a touch panel further including a shielding electrode, the touch chip is configured to apply the touch driving signal to the touch electrode in a touch phase, the touch chip is configured to generate and apply a shielding signal to the shielding electrode in the touch phase, and the shielding signal is the same as the touch driving signal.

For example, at least one embodiment of the present disclosure provides a touch panel further including: the pixel structure comprises a data line, a grid line, a pixel electrode and a transistor, wherein the grid electrode of the transistor is electrically connected with the grid line, the first electrode of the transistor is electrically connected with the data line, the second electrode of the transistor is electrically connected with the pixel electrode, and the data line and/or the grid line are/is multiplexed as the shielding electrode.

For example, at least one embodiment of the present disclosure provides a touch panel further including: the touch control driving signal is applied to the touch control electrode through the touch control signal line, and the touch control sensing signal generated by the touch control electrode is received by the touch control chip through the touch control signal line so as to realize a touch control function.

At least one embodiment of the present disclosure further provides a touch method applied to the touch panel according to any one of the embodiments of the present disclosure, and the method includes: in the touch control stage: generating the touch driving signal; applying the touch driving signal to the touch electrode; the touch electrode generates the touch sensing signal and senses the touch sensing signal to realize a touch function.

For example, in a touch method provided in at least one embodiment of the present disclosure, in a case where the touch panel includes a shield electrode, the touch method further includes: in the touch control stage: generating a shielding signal, wherein the shielding signal is the same as the touch driving signal; applying the shielding signal to the shielding electrode.

At least one embodiment of the present disclosure further provides an electronic device including the control panel according to any one of the embodiments of the present disclosure.

At least one embodiment of the present disclosure also provides a non-transitory computer-readable storage medium for storing computer-executable instructions that, when executed by a computer, implement a touch method according to any one of the embodiments of the present disclosure.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.

Fig. 1 is a schematic plan view of a touch panel according to at least one embodiment of the present disclosure;

fig. 2 is a schematic diagram of a seed signal provided in at least one embodiment of the present disclosure;

fig. 3A is a schematic diagram of a set of seed signals according to at least one embodiment of the present disclosure;

fig. 3B is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure;

fig. 3C is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure;

fig. 3D is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure;

fig. 3E is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a touch electrode according to at least one embodiment of the present disclosure;

fig. 5 is a schematic flow chart of a touch method according to at least one embodiment of the present disclosure;

fig. 6 is a schematic block diagram of an electronic device provided in at least one embodiment of the present disclosure;

fig. 7 is a schematic diagram of a non-transitory computer-readable storage medium according to at least one embodiment of the present disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of some known functions and components have been omitted from the present disclosure.

Among the characteristics of electronic products, EMI characteristics become more and more important. Especially, EMI caused by a repetitive signal or a signal with a large driving voltage is the most troublesome problem in the current electronic products. The method of reducing EMI may include a method of using an EMI protection tape (covering a driving chip (IC) and a transmission line with an EMI protection tape, preventing EMI radiation), an EMI protection filter (filter), etc., but the above method is generally difficult to be applied to an actual product due to design characteristics of the product, and the above method also causes an increase in cost of the product.

In an In-cell touch lcd panel (a method of embedding a touch function In the lcd panel), in order to reduce parasitic capacitance, a shielding (Guard) signal identical to a touch driving signal is applied to a shielding electrode to reduce parasitic capacitance between the touch electrode and the rest of electrodes or signal lines, however, in the entire display area, the Guard signal and the touch driving signal have large amplitude and are generated periodically, so that the Guard signal and the touch driving signal become a large interference source of electromagnetic interference. For the In-cell touch lcd panel, the main EMI interference sources include touch driving signals, guard signals, gate signals, data signals, and the like, and currently, various methods have been designed to reduce EMI caused by various signals (i.e., touch driving signals, guard signals, gate signals, and data signals) In the touch panel, but most of the existing methods are a factor for reducing touch characteristics, thereby resulting In poor touch performance.

At least one embodiment of the present disclosure provides a touch panel. The touch panel comprises a touch chip and a touch electrode. The touch chip is configured to generate a touch driving signal and apply the touch driving signal to the touch electrode, the touch electrode is configured to receive the touch driving signal and generate a touch sensing signal based on the touch driving signal, the touch driving signal includes a plurality of sub-signals, the plurality of sub-signals includes a first sub-signal and a second sub-signal, and the first sub-signal and the second sub-signal are different.

In the touch panel provided by the embodiment of the disclosure, the touch driving signal is composed of different sub-signals (with different frequencies and/or shapes), so that concentration of electromagnetic (electromagnetic) signals can be prevented, and EMI of the touch panel is reduced and performance of a product is improved under the condition that touch performance is reduced to the greatest extent or touch performance is not reduced and cost is not increased.

At least one embodiment of the present disclosure also provides a touch method, an electronic device, and a non-transitory computer-readable storage medium.

The embodiments of the present disclosure will be described in detail below with reference to the drawings, but the present disclosure is not limited to these specific embodiments.

Fig. 1 is a schematic plan view of a touch panel according to at least one embodiment of the present disclosure, and fig. 2 is a schematic diagram of a sub signal according to at least one embodiment of the present disclosure.

For example, as shown in fig. 1, a touch panel 100 provided by the embodiment of the present disclosure includes a first substrate 10, a touch chip 11, and a touch electrode 12. The touch chip 11 and the touch electrode 12 are disposed on the first substrate 10. For example, the touch chip 11 is configured to generate a touch driving signal and apply the touch driving signal to the touch electrode 12. For example, the touch electrode 12 is configured to receive a touch driving signal and generate a touch sensing signal based on the touch driving signal. For example, the touch driving signal includes a plurality of sub-signals, the plurality of sub-signals includes a first sub-signal and a second sub-signal, and the first sub-signal and the second sub-signal are different.

In the embodiment of the disclosure, at least two sub-signals in the touch driving signal are different, so that the EMI of the touch panel is reduced and the performance of the product is improved without changing the structure of the touch panel.

For example, the touch panel 100 may be an In-Cell (In-Cell) touch panel or the like. The touch panel 100 is, for example, a Full In Cell (FIC) touch panel, so as to simplify the structure, reduce the cost, improve the touch signal-to-noise ratio, and improve the touch sensitivity.

For example, the touch chip 11 may be provided separately or integrally formed with other computing devices, and may be implemented by a special-purpose computing device (e.g., a Digital Signal Processor (DSP), etc.) or a general-purpose computing device (e.g., a Central Processing Unit (CPU)).

For example, each sub-signal has a plurality of characteristics including a rising edge time, a falling edge time, and a duration of the sub-signal. As shown in fig. 2, in one example, the sub-signal is a trapezoidal wave signal, which has a duration T, and has a rising edge time (rising time) T1 and a falling edge time (falling time) T4, and also includes two sensing times (sensing time) T2 and T5 and two reset times (time) T3 and T6. In the sensing time t2, the touch electrode is sensed to reset in the reset time t3 based on the electric charges generated by the change of the sub-signals in the rising edge time t 1; during the sensing time t5, the sensing touch electrode resets the touch electrode during the reset time t6 based on the charge generated by the change of the sub-signal during the falling edge time t 4.

It should be noted that, for a signal composed of a plurality of identical sub-signals, the duration of the sub-signal is the period of the signal obtained by the composition.

For example, as shown in fig. 2, the level of the sub-signal is a direct current level during the sensing times t2 and t5, but the present disclosure is not limited thereto, and the specific shape of the sub-signal may be determined according to actual situations during each period of time. For example, if the sub-signal is a rectangular wave signal, the rising edge time and the falling edge time of the sub-signal are very small but not 0, and the sensing time of the sub-signal is large; if the sub-signal is a triangular wave signal, a sine wave signal or a cosine wave signal, the level of the sub-signal is not a direct current level but gradually changes within the sensing time of the sub-signal, and at this time, there is no time period in which the level of the sub-signal is a direct current level.

For example, at least one characteristic of the first sub-signal and at least one characteristic of the second sub-signal are different, such that the first sub-signal and the second sub-signal are different. In some embodiments, the plurality of characteristics of the first sub-signal and the plurality of characteristics of the second sub-signal are different, for example, a rising edge time of the first sub-signal and a rising edge time of the second sub-signal are different, a falling edge time of the first sub-signal and a falling edge time of the second sub-signal are different, and a duration of the first sub-signal and a duration of the second sub-signal are different, so that the first sub-signal and the second sub-signal are different from each other, and further concentration of the electromagnetic signals is prevented.

For example, in some embodiments, the first sub-signal and the second sub-signal are two sub-signals generated adjacent in time, i.e. after the first sub-signal is generated, the second sub-signal is generated directly. The present disclosure is not limited thereto, and the first sub-signal and the second sub-signal may also be two sub-signals that are not adjacent in time, i.e. at least one sub-signal is generated in a time period between the generation of the first sub-signal and the generation of the second sub-signal.

For example, the plurality of sub-signals includes a plurality of sub-signal groups, and the plurality of sub-signal groups are identical.

For example, each sub-signal group includes N sub-signals, N being a positive integer greater than 1, the N sub-signals including a first sub-signal and a second sub-signal, that is, each sub-signal group includes two different sub-signals. It should be noted that the specific value of N may be set according to practical situations, and the embodiment of the present disclosure is not limited to this specific value.

Fig. 3A is a schematic diagram of a set of seed signals according to at least one embodiment of the present disclosure; fig. 3B is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure; fig. 3C is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure; fig. 3D is a schematic diagram of another set of seed signals provided by at least one embodiment of the present disclosure; fig. 3E is a schematic diagram of another set of seed signals according to at least one embodiment of the present disclosure.

For example, at least two rising edge times of the N rising edge times respectively corresponding to the N sub-signals are different, for example, the N rising edge times are different from each other. As shown in fig. 3A, in some embodiments, N is 5, i.e., each sub-signal group includes 5 sub-signals, respectively sub-signal S11, sub-signal S12, sub-signal S13, sub-signal S14, and sub-signal S15. The rising edge time of the sub-signal S11 is r11, the rising edge time of the sub-signal S12 is r12, the rising edge time of the sub-signal S13 is r13, the rising edge time of the sub-signal S14 is r14, the rising edge time of the sub-signal S15 is r15, and the rising edge times r11 to r15 corresponding to the 5 sub-signals S11 to S15 are different from each other.

For example, N sub-signals are generated sequentially in time, as shown in fig. 3A, the line with an arrow mark to which time is attached indicates the direction in which time elapses, and 5 sub-signals S11 to S15 are generated sequentially in time, that is, the sub-signal S11 is generated earlier than the sub-signal S12, the sub-signal S12 is generated earlier than the sub-signal S13, and so on.

For example, the N rising edge times corresponding to the N sub-signals respectively sequentially increase or sequentially decrease according to the generation order of the N sub-signals. As shown in fig. 3A, r11 is smaller than r12, r12 is smaller than r13, r13 is smaller than r14, and r14 is smaller than r15, that is, the 5 rising edge times corresponding to the 5 sub-signals S11 to S15 respectively increase sequentially. The disclosure is not limited thereto, and in other embodiments, the 5 rising edge times corresponding to the 5 sub-signals S11 to S15 may also be sequentially decreased.

It should be noted that, partial rising edge times in the N rising edge times corresponding to the N sub-signals may also be the same, and in some embodiments, partial rising edge times in the 5 rising edge times r11 to r15 corresponding to the 5 sub-signals S11 to S15 may also be the same, for example, the rising edge times r11 to r13 are the same, the rising edge time r14 and the rising edge time r15 are the same, and so on.

For example, in some embodiments, the N durations of the N sub-signals are the same. As shown in fig. 3A, the duration of the sub-signal S11 is Ta1, the duration of the sub-signal S12 is Ta2, the duration of the sub-signal S13 is Ta3, the duration of the sub-signal S14 is Ta4, and the duration of the sub-signal S15 is Ta5. The durations Ta1 to Ta5 of the 5 sub-signals S11 to S15 may be the same, i.e., ta1 to Ta5 are all equal. In other embodiments, the N durations of the N sub-signals are different, for example, the durations Ta1 to Ta5 are different.

For example, in some embodiments, the sub-signal S11 may be an example of a first sub-signal, and the sub-signal S12 may be an example of a second sub-signal, where the first sub-signal and the second sub-signal are two sub-signals generated adjacent in time; in other embodiments, the sub-signal S11 may be an example of a first sub-signal, and the sub-signal S13 may be an example of a second sub-signal, in which case the first sub-signal and the second sub-signal are two sub-signals that are not adjacent in time, i.e., there is at least one sub-signal between the first sub-signal and the second sub-signal in time, for example, the sub-signal S12.

For example, in some embodiments, the N falling edge times of the N sub-signals are the same. As shown in fig. 3A, the falling time of each of the sub-signals S11 to S15 is f10.

For example, in some embodiments, the N rising edge times corresponding to the N sub-signals are the same, but at least two of the N falling edge times corresponding to the N sub-signals are different.

For example, in some embodiments, at least two falling edge times of the N falling edge times respectively corresponding to the N sub-signals are different, for example, the N falling edge times are different from each other. For example, as shown in fig. 3B, in some embodiments, N is 5, i.e., each sub-signal group includes 5 sub-signals, respectively sub-signal S21, sub-signal S22, sub-signal S23, sub-signal S24, and sub-signal S25. The falling time of the sub-signal S21 is f21, the falling time of the sub-signal S22 is f22, the falling time of the sub-signal S23 is f23, the falling time of the sub-signal S24 is f24, and the falling time of the sub-signal S25 is f25. The falling time f21 to the falling time f25 of the 5 sub-signals S21 to S25 are different from each other.

For example, N sub-signals are generated sequentially in time, as shown in fig. 3B, the line with an arrow mark to which time is attached indicates the direction in which time elapses, and 5 sub-signals S21 to S25 are generated sequentially in time, that is, the sub-signal S21 is generated earlier than the sub-signal S22, the sub-signal S22 is generated earlier than the sub-signal S23, and so on.

For example, the N falling edge times corresponding to the N sub-signals respectively sequentially increase or sequentially decrease according to the generation order of the N sub-signals. As shown in fig. 3B, f21 is smaller than f22, f22 is smaller than f23, f23 is smaller than f24, and f24 is smaller than f25, that is, 5 falling-edge times f21 to f25 corresponding to the 5 sub-signals S21 to S25 respectively increase sequentially. The disclosure is not limited thereto, and in other embodiments, the 5 falling edge times f21 to f25 corresponding to the 5 sub signals S21 to S25 may also be sequentially decreased.

For example, as shown in fig. 3B, the rising time of the sub-signal S21 is r21, the rising time of the sub-signal S22 is r22, the rising time of the sub-signal S23 is r23, the rising time of the sub-signal S24 is r24, and the rising time of the sub-signal S25 is r25. The rising time r21 to the rising time r25 are different from each other. For example, the rising time r21 to the rising time r25 sequentially increase.

For example, as shown in fig. 3B, the duration of the sub-signal S21 is Tb1, the duration of the sub-signal S22 is Tb2, the duration of the sub-signal S23 is Tb3, the duration of the sub-signal S24 is Tb4, and the duration of the sub-signal S25 is Tb5. In some embodiments, the durations Tb1 to Tb5 corresponding to the 5 sub-signals S21 to S25 may be the same, i.e., tb1 to Tb5 are all equal. In other embodiments, the durations Tb1 to Tb5 of the 5 sub-signals S21 to S25 may be different.

For example, as shown in fig. 3C, in some embodiments, N is 5, i.e., each sub-signal group includes 5 sub-signals, respectively sub-signal S31, sub-signal S32, sub-signal S33, sub-signal S34, and sub-signal S35. As shown in fig. 3C, the rising edge time of the sub-signal S31 is r31, the rising edge time of the sub-signal S32 is r32, the rising edge time of the sub-signal S33 is r33, the rising edge time of the sub-signal S34 is r34, the rising edge time of the sub-signal S35 is r35, and the rising edge times r31 to r35 are different. The falling time of the sub-signal S31 is f31, the falling time of the sub-signal S32 is f32, the falling time of the sub-signal S33 is f33, the falling time of the sub-signal S34 is f34, the falling time of the sub-signal S35 is f35, and the falling time f31 to the falling time f35 are different from each other.

For example, as shown in fig. 3C, temporally, 5 sub-signals S31 to S35 are sequentially generated, and the rising time r31 to the rising time r35 sequentially increase and the falling time f31 to the falling time f35 sequentially decrease according to the generation order of the sub-signals S31 to S35.

For example, as shown in fig. 3C, in the 5 sub-signals S31 to S35, 5 sensing times corresponding to the 5 sub-signals S31 to S35 are substantially the same, for example, by controlling specific values of the rising time r31 to the rising time r35 and the falling time f31 to the falling time f35, the 5 sensing times corresponding to the 5 sub-signals S31 to S35 can be made to be the same, so as to improve sensing uniformity and touch performance, and meanwhile, the problem that sensing time of a certain sub-signal is too short to sense can be avoided.

For example, as shown in fig. 3C, the duration of the sub-signal S31 is Tc1, the duration of the sub-signal S32 is Tc2, the duration of the sub-signal S33 is Tc3, the duration of the sub-signal S34 is Tc4, and the duration of the sub-signal S35 is Tc5. In some embodiments, the durations Tc1 Tc5 of the 5 sub-signals S31S 35 may be the same, i.e., tc1 Tc5 are all equal. In other embodiments, the durations Tc1 to Tc5 of the 5 sub-signals S31 to S35 may also be different.

For example, in some embodiments, the N sub-signals in each sub-signal group may be different types of signals, for example, the N sub-signals may further include a third sub-signal, the first sub-signal is a triangular wave signal, the second sub-signal is a sine wave signal, and the third sub-signal is a trapezoidal wave signal, that is, the triangular wave signal, the sine wave signal, and the trapezoidal wave signal may be used as a repeating group and repeated to create the touch driving signal. Fig. 3D shows two sub-signal groups, N may be 3 as shown in fig. 3D, i.e. each sub-signal group comprises 3 sub-signals, respectively sub-signal S41, sub-signal S42 and sub-signal S43. For example, the sub-signal S41 is an example of the third sub-signal, i.e., the sub-signal S41 is a trapezoidal wave signal, the sub-signal S42 is an example of the first sub-signal, i.e., the sub-signal S42 is a triangular wave signal, and the sub-signal S43 is an example of the second sub-signal, i.e., the sub-signal S43 is a sinusoidal wave signal. For example, the rising edge time of the sub-signal S41 is r41, the rising edge time of the sub-signal S42 is r42, and the rising edge time of the sub-signal S43 is r43. The falling time of the sub-signal S41 is f41, the falling time of the sub-signal S42 is f42, and the falling time of the sub-signal S43 is f43. For example, the rising time r41 to the rising time r43 may be different from each other, and the falling time f41 to the falling time f43 may be different from each other.

It should be noted that, the embodiment of the present disclosure does not specifically limit the type of the N sub-signals. In addition, in fig. 3D, the trapezoidal wave signal, the triangular wave signal, and the sine wave signal are sequentially generated, but the generation order of the different types of N sub-signals is not limited by the embodiment of the present disclosure, for example, in some examples, the trapezoidal wave signal, the sine wave signal, and the triangular wave signal are sequentially generated in time, or the triangular wave signal, the trapezoidal wave signal, the sine wave signal are sequentially generated, and so on. Further, of the N sub-signals, the number of each type of sub-signal is at least one, e.g., in some examples, N is 5, i.e., each sub-signal group includes 5 sub-signals, the 5 sub-signals may include two trapezoidal wave signals, two triangular wave signals, and one sine wave signal, or the 5 sub-signals may include three trapezoidal wave signals, one triangular wave signal, and one sine wave signal, and so on.

For example, as shown in fig. 3D, the sub-signal S41 has a duration Td1, the sub-signal S42 has a duration Td2, and the sub-signal S43 has a duration Td3. In some embodiments, the durations Td1 to Td3 of the 3 sub-signals S41 to S43 may be the same, i.e., td1 to Td3 are all equal. In other embodiments, the durations Td1 to Td3 of the 3 sub-signals S41 to S43 may be different.

For example, in some embodiments, in each sub-signal group, the rising edge time and the falling edge time of each sub-signal may be the same, as shown in fig. 3B, the rising edge time r21 and the falling edge time f21 of the sub-signal S21 may be the same, the rising edge time r22 and the falling edge time f22 of the sub-signal S22 may be the same, the rising edge time r23 and the falling edge time f23 of the sub-signal S23 may be the same, the rising edge time r24 and the falling edge time f24 of the sub-signal S24 may be the same, and the rising edge time r25 and the falling edge time f25 of the sub-signal S25 may be the same; as shown in fig. 3D, the rising time r41 is the same as the falling time f41, the rising time r42 is the same as the falling time f42, and the rising time r43 is the same as the falling time f 4.

For example, in some embodiments, in each sub-signal group, the rising edge time and the falling edge time of each sub-signal may be different, as shown in fig. 3A, the rising edge time r11 and the falling edge time f10 of the sub-signal S11 are different, the rising edge time r12 and the falling edge time f10 of the sub-signal S12 are different, the rising edge time r13 and the falling edge time f10 of the sub-signal S13 are different, the rising edge time r14 and the falling edge time f10 of the sub-signal S14 are different, and the rising edge time r15 and the falling edge time f10 of the sub-signal S15 are different.

For example, in some embodiments, in each sub-signal group, the rising edge time and the falling edge time of a partial sub-signal are different, and the rising edge time and the falling edge time of the partial sub-signal are the same, as shown in fig. 3C, the rising edge time r33 and the falling edge time f33 of the sub-signal S33 are the same, the rising edge time r31 and the falling edge time f31 of the sub-signal S31 are different, the rising edge time r32 and the falling edge time f32 of the sub-signal S32 are different, the rising edge time r34 and the falling edge time f34 of the sub-signal S34 are different, and the rising edge time r35 and the falling edge time f35 of the sub-signal S35 are different.

For example, in some embodiments, at least two of the N durations respectively corresponding to the N sub-signals are different, e.g., the N durations are different from each other. For example, as shown in FIG. 3E, in some embodiments, the N sub-signals in each sub-signal group are all rectangular wave signals, and are sub-signal S51, sub-signal S52, sub-signal S53, \ 8230;, sub-signal S5N, respectively. As shown in fig. 3E, the duration of the sub-signal S51 is Te1, the duration of the sub-signal S52 is Te2, the duration of the sub-signal S53 is Te3, and so on, the duration of the sub-signal S5N is TeN, and the durations Te1 to TeN are different from each other. To prevent this, since signals of the same frequency concentrate energy in one frequency band, EMI is reduced or eliminated by dispersing the energy of the signals by making the respective sub-signals have different durations in the example shown in fig. 3E.

For example, N sub-signals are sequentially generated in time, as shown in fig. 3E, lines with arrows having a time mark indicate a direction in which time elapses, N sub-signals S51 to S5N are sequentially generated in time, and N durations corresponding to the N sub-signals respectively sequentially increase or decrease in accordance with a generation order of the N sub-signals. As shown in fig. 3E, the duration Te1 to the duration TeN increase in order according to the generation order of the sub-signals S51 to S5N.

For example, in some embodiments, in each group of sub-signals, a difference in duration of two sub-signals of the N sub-signals that are generated adjacent in time is a fixed value. As shown in fig. 3E, the difference between duration Te1 and duration Te2 is a fixed value Δ, i.e., te2= Te1+ Δ, the difference between duration Te2 and duration Te3 is a fixed value Δ, i.e., te3= Te2+ Δ = Te1+2 Δ, and so on. From this, the difference between the duration TeN and the duration Te1 is (N-1) × Δ, that is, teN = Te1+ (N-1) × Δ.

For example, in the example shown in fig. 3E, N may range from 10 to 30.

For example, in other embodiments, in each group of sub-signals, the difference between the durations of any two sub-signals of the N sub-signals that are generated adjacent in time is not fixed, and may be a random value, for example. For example, the difference between duration Te1 and duration Te2 is Δ 1, i.e., te2= Te1+ Δ 1, the difference between duration Te2 and duration Te3 is Δ 2, i.e., te3= Te2+ Δ 2, and so on. Δ 1 and Δ 2 are not the same. As another example, the difference between duration Te1 and duration Te2 is Δ 1, i.e., te2= Te1+ Δ 1, the difference between duration Te2 and duration Te3 is also Δ 1, i.e., te3= Te2+ Δ 1, the difference between duration Te3 and duration Te4 (e.g., duration Te3 and duration Te4 represent the durations corresponding to two sub-signals generated adjacent in time) is Δ 2, i.e., te4= Te3+ Δ 2, and so on. Δ 1 and Δ 2 are not the same.

For example, in the example shown in fig. 3E, N rising edge times corresponding to the N sub-signals are the same, and N falling edge times corresponding to the N sub-signals are also the same.

It should be noted that the examples shown in fig. 3A to 3D may be combined with each other without contradiction. For example, in some embodiments, the plurality of sub-signal groups may include at least one first sub-signal group and at least one second sub-signal group, the first sub-signal group and the second sub-signal group are different, for example, each first sub-signal group may be the sub-signal group shown in fig. 3A, each second sub-signal group may be the sub-signal group shown in fig. 3B, or each first sub-signal group may be the sub-signal group shown in fig. 3A, each second sub-signal group may be the sub-signal group shown in fig. 3D or fig. 3E, and so on, so that the difference of different sub-signals in the touch driving signal is larger, further preventing the concentration of electromagnetic signals. For another example, the plurality of sub-signal groups may also include more different types of sub-signal groups, and embodiments of the present disclosure are not particularly limited in this regard.

For example, in some embodiments, the amplitudes of the sub-signals in the touch driving signal may be the same, thereby ensuring that the touch performance is not degraded or reducing the degradation of the touch performance.

For example, as shown in fig. 1, the touch panel 100 further includes a touch signal line 13, the touch electrode 12 is connected to the touch chip 11 through the touch signal line 13, the touch chip 11 transmits a touch driving signal to the touch electrode 12 through the touch signal line 13, and the touch chip 11 receives a touch sensing signal generated by the touch electrode 12 through the touch signal line 13. The touch chip 11 can perform touch detection based on the touch driving signal and the touch sensing signal, thereby performing a touch function.

For example, as shown in fig. 1, the touch panel 100 includes a plurality of touch electrodes 12 and a plurality of touch signal lines 13, the plurality of touch electrodes 12 are arranged in a plurality of rows and columns, and the touch electrodes 12 form a self-capacitance electrode array, so that the touch panel can be used for touch detection. The touch signal lines 13 are electrically connected to the touch electrodes 12 in a one-to-one correspondence manner, so that each touch electrode 12 is individually detected, and a multi-touch function is realized. The touch signal lines 13 extend along the column direction of the touch electrodes 12, and the touch signal lines 13 are arranged along the row direction of the touch electrodes 12, for example, the row direction of the touch electrodes 12 is the X direction shown in fig. 1, and the column direction of the touch electrodes 12 is the Y direction shown in fig. 1. For example, the X-direction and the Y-direction may be perpendicular to each other.

For example, the touch signal line 13 and the touch electrode 12 may be located on different layers, and at least one structural layer (e.g., including an insulating layer) is disposed between the touch signal line 13 and the touch electrode 12, as shown in fig. 1, the touch signal line 13 may be electrically connected to the touch electrode 12 through a connection hole 14 penetrating through the at least one structural layer. For example, the number of the connection holes 14 may be one or more, and the plurality of connection holes 14 may reduce contact resistance between the touch electrode 12 and the touch signal line 13. As shown in fig. 1, in one example, the number of the connection holes 14 is one.

For example, the plurality of touch signal lines 13 are insulated from each other. For example, the touch signal lines 13 may be located in the same layer. For example, in the manufacturing process, the plurality of touch signal lines 13 may be formed by using the same metal film and using the same patterning process, thereby simplifying the manufacturing process of the touch panel, saving the production cost, and facilitating the wiring.

For example, the touch electrodes 12 may have the same shape, so as to ensure that the characteristics of the touch electrodes 12 are substantially consistent, thereby ensuring the accuracy of touch detection. But not limited thereto, the touch electrodes 12 may have different shapes. For example, as shown in fig. 1, the touch electrode 12 may be rectangular, for example, square. But not limited thereto, the shape of the touch electrode 12 may also be circular, trapezoidal, etc. according to the actual design requirement. The shape of the touch electrode 12 is not particularly limited in the embodiments of the present disclosure.

For example, the touch panel 100 may also be configured to display an image, i.e., the touch panel and the display panel are integrated. For example, the touch panel 100 may be a liquid crystal display panel including a common electrode, and the touch electrode 12 may include the common electrode or be multiplexed by the common electrode. For example, the touch panel 100 may be an organic light emitting display panel including light emitting diodes, and the light emitting diodes may be Organic Light Emitting Diodes (OLEDs), quantum dot light emitting diodes (QLEDs), or the like. The touch electrode 12 may include or be multiplexed with the cathode or anode of the light emitting diode. That is to say, the touch electrode 12 for realizing the touch function can be integrated in the display panel, and under the condition that no additional process is added, the integration of touch and display can be realized through time division multiplexing, so that the production cost is reduced, the volume and the weight of the display panel are reduced, and the added value of the product is improved. Meanwhile, when the touch panel 100 is a curved display panel, the touch panel 100 can improve the stability of the flexible display.

For example, the touch electrode 12 may be a transparent electrode. The material of the transparent electrode may include, for example, indium Tin Oxide (ITO), indium Zinc Oxide (IZO), indium Gallium Oxide (IGO), gallium Zinc Oxide (GZO), zinc oxide (ZnO), indium oxide (In) ₂ O ₃ ) Aluminum Zinc Oxide (AZO), carbon nanotubes, and the like.

For example, the touch signal line 13 may be made of a transparent conductive material. The transparent conductive material may be Indium Tin Oxide (ITO) or the like.

For example, the first substrate 10 may be a transparent insulating substrate, which may be, for example, a glass substrate, a quartz substrate, or other suitable substrate.

Fig. 4 is a schematic structural diagram of a touch electrode according to at least one embodiment of the present disclosure.

For example, in some embodiments, as shown in fig. 4, the touch panel further includes a shielding electrode 15. The touch chip 11 is configured to apply a touch driving signal to the touch electrode 12 during a touch phase, and the touch chip 11 is further configured to generate and apply a shielding signal to the shielding electrode 15 during the touch phase, the shielding signal being the same as the touch driving signal, so that a parasitic capacitance between the touch electrode 12 and the ground electrode 18 can be reduced or eliminated. The "mask signal is identical to the touch driving signal" may mean that all characteristics (e.g., rising edge time, falling edge time, duration, amplitude, etc.) of the mask signal are respectively identical to all characteristics of the touch driving signal. For example, the ground electrode 18 may represent a conductive element (e.g., an electrode and/or a signal line) or the like in the touch panel other than the touch electrode 12.

It should be noted that, when the shielding electrode 15 is not disposed on the touch panel, the parasitic capacitance between the touch electrode 12 and the ground electrode 18 is large, so that the touch performance is affected, and even the touch function cannot be realized; when the shielding electrode 15 is provided to the touch panel, parasitic capacitance between the touch electrode 12 and the ground electrode 18 can be eliminated, and since the touch driving signal applied to the touch electrode 12 and the shielding signal applied to the shielding electrode 15 are the same, parasitic capacitance between the touch electrode 12 and the shielding electrode 15 is not generated.

For example, as shown in fig. 4, a dielectric layer 16 is disposed between the touch electrode 12 and the shielding electrode 15, a dielectric layer 17 is disposed between the ground electrode 18 and the shielding electrode 15, and the dielectric layer 16 and the dielectric layer 17 are both made of glass fiber epoxy resin material.

For example, in some embodiments, the touch panel 100 is a liquid crystal panel, and the touch panel 100 further includes data lines, gate lines, pixel electrodes, and transistors. The gate electrode of the transistor is electrically connected with the gate line, the first electrode of the transistor is electrically connected with the data line, the second electrode of the transistor is electrically connected with the pixel electrode, the transistor is configured to be switched on or off under the control of a gate signal provided by the gate line, and when the transistor is switched on, a data signal on the data line is transmitted to the pixel electrode through the transistor, so that liquid crystal molecules in the liquid crystal panel are driven to rotate.

For example, in some embodiments, the data lines and/or the gate lines may be multiplexed as the shielding electrode 15, that is, in the touch stage, the shielding signal is transmitted to the shielding electrode 15, so that the touch performance is improved by time-sharing multiplexing the data lines and/or the gate lines without changing the structure of the touch panel to reduce or eliminate the parasitic capacitance between the touch electrode 12 and the data lines and/or the gate lines.

For example, each touch electrode 12 may overlap at least one pixel electrode in a direction perpendicular to the first substrate 10. "overlap" may include complete overlap or partial overlap.

For example, as shown in fig. 1, the touch panel may further include a plurality of gate lines 19 and a plurality of data lines 20. The gate lines 19 extend in a row direction of the touch electrodes 12, and are sequentially arranged in a column direction of the touch electrodes 12. The data lines 20 extend along the column direction of the touch electrodes 12, and are sequentially arranged along the row direction of the touch electrodes 12. For example, the gate lines 19 are insulated from each other, and the data lines 20 are also insulated from each other.

For example, as shown in fig. 1, the extending direction of the touch signal line 13 may be the same as the extending direction of the data line 20. However, the extending direction of the touch signal line 13 may be the same as the extending direction of the gate line 19.

For example, the touch signal line 13 may also be formed in the same layer as the data line 20 and/or the gate line 19, thereby simplifying the manufacturing process of the touch panel and facilitating the wiring. The touch signal line 13 may also be located at a different layer from the data line 20 and/or the gate line 19, which is not specifically limited by the present disclosure.

For example, as shown in fig. 1, the gate lines 19 and the touch signal lines 13 cross each other and are insulated from each other.

For example, the transistors may be thin film transistors, field effect transistors, or other switching devices of the same characteristics. The thin film transistor may include an oxide thin film transistor, an amorphous silicon thin film transistor, a polycrystalline silicon thin film transistor, or the like.

For example, the touch signal line 13 may also be located in the same layer as the gate or the first/second electrodes of the transistor, so that the touch signal line 13 and the gate or the first/second electrodes of the transistor may be formed simultaneously by using the same patterning process, thereby simplifying the manufacturing process.

For example, the transistor may have a bottom gate structure or a top gate structure, which is not limited by the embodiments of the present disclosure.

For example, the touch panel 100 may also be configured to display an image, and the first substrate 10 is disposed on the display side of the touch panel 100.

For example, the touch panel 100 may be a liquid crystal touch panel, and the touch panel 100 may further include a second substrate disposed opposite to the first substrate 10, and liquid crystal molecules are disposed between the first substrate 10 and the second substrate. For example, the first substrate is a counter substrate, and the second substrate is an array substrate. The opposite substrate is, for example, a color film substrate, and in this case, a color film layer and a polarizing layer are further disposed on the first substrate 10. A data line, a gate line, a pixel electrode, a transistor, and the like may be disposed on the second substrate. The touch electrode 12 is disposed on a side of the first substrate 10 close to the second substrate.

For example, as shown in fig. 1, the touch panel provided by the embodiment of the present disclosure further includes a gate driver 200 and a data driver 300. The data driver 300 is configured to supply a data signal to the data lines 20. The gate driver 200 is configured to supply a gate signal to the gate line 19.

For example, the gate driver 200 and the data driver 300 may be implemented by respective application specific integrated circuit chips.

For example, as shown in fig. 1, the touch chip 11 may include a touch driving circuit 110 and a touch detection circuit 111. The touch driving circuit 110 is configured to provide a touch driving signal to the plurality of touch signal lines 13. The touch detection circuit 111 is configured to detect touch sensing signals output from the plurality of touch signal lines 13, and further, a touch driving signal is transmitted to the touch detection circuit 111. For example, the touch detection circuit 111 performs calculation based on the touch driving signal and the touch sensing signal to determine a touch position, thereby implementing a touch operation.

For example, the touch driving circuit 110 and the touch detecting circuit 111 can be implemented by hardware circuits. For example, the touch driving circuit 110 and the touch detecting circuit 111 may be implemented by an FPGA (Field Programmable Gate Array), a DSP (Digital Signal Processing), or the like.

For example, the touch driving circuit 110 and the touch detection circuit 111 may be implemented by the same integrated circuit chip. For example, the touch driving circuit 110 and the touch detection circuit 111 may be integrated on the same touch chip 11.

For example, when the extending directions of the touch signal line 13 and the data line 20 are the same, the data driver and the touch chip may be disposed together.

For example, the touch panel further includes a Controller (not shown, the Controller may be a Timing Controller). The controller is signal-coupled to the gate driver 200, the data driver 300, and the touch chip 11, and is configured to provide control instructions and/or timing signals to the gate driver 200, the data driver 300, and the touch chip 11, so that the gate driver 200, the data driver 300, and the touch chip 11 cooperate.

For example, in the touch stage, the controller may control the touch chip 11 to generate and output a touch driving signal, the touch signal line 13 may transmit the touch driving signal from the touch chip 11 to the touch electrode 12, and meanwhile, the touch signal line 13 transmits a touch sensing signal generated by the touch electrode 12 to the touch chip 11, so that the touch panel implements the touch function. In the display stage, the controller may control the gate driver 200 to generate and output a gate signal, the gate line 19 transmits the gate signal to the gate of the transistor, and the transistor is turned on, the controller may also control the data driver 300 to generate and output a data signal, and the data line 20 may transmit the data signal to the pixel electrode via the turned-on transistor, so that the touch panel implements the display function.

For example, in the touch stage, the controller may further control both the data driver 300 and the gate driver 200 to output signals, so that the data lines and the gate lines are floated, or the controller may control the touch chip 11 to generate and output shielding signals to the data lines and the gate lines, so as to avoid parasitic capacitance between a touch electrode for generating a touch sensing signal and the data lines and the gate lines, improve touch accuracy, and improve touch performance; in the display stage, the controller may further control the touch chip 11 not to output the touch driving signal to the touch signal line, i.e. the touch signal line is floating.

Fig. 5 is a schematic flow chart of a touch method according to at least one embodiment of the present disclosure.

At least one embodiment of the present disclosure further provides a touch method, which can be applied to the touch panel described in any embodiment of the present disclosure, for example, the touch panel 100 described above.

For example, as shown in fig. 5, the touch method may include the following steps S10 to S13, where the steps S10 to S13 are performed in the touch stage.

Step S10: and generating a touch driving signal.

Step S11: and applying a touch driving signal to the touch electrode.

Step S12: the touch electrode generates a touch sensing signal.

Step S13: and sensing the touch sensing signal to realize the touch function.

For example, in step S10 and step S11, the touch chip may generate and output a plurality of touch driving signals, and then the plurality of touch signal lines may simultaneously transmit the plurality of touch driving signals to the plurality of touch electrodes, respectively.

For example, in step S12, the touch electrode generates a touch sensing signal based on the variation of the touch driving signal.

For example, in step S13, the touch chip can read a plurality of touch sensing signals on a plurality of touch electrodes through a plurality of touch signal lines to implement a touch function.

It should be noted that, for the description of the specific structure of the touch panel, the touch driving signal, the touch sensing signal, the touch electrode, and the like, reference may be made to the description in the above embodiment of the touch panel, and repeated descriptions are omitted.

For example, in some embodiments, in a case where the touch panel includes the shielding electrode, the touch method further includes: in the touch control stage: generating a mask signal; a shield signal is applied to the shield electrode. For example, the mask signal is the same as the touch driving signal.

The touch method can achieve the same technical effect as the touch panel, and repeated parts are not described again.

At least one embodiment of the present disclosure also provides a driving method of a touch panel. For example, the touch panel 100 may also be configured to display an image, that is, the touch panel is a touch display panel, and in this case, the driving method of the touch panel may include a display phase and a touch phase.

The driving method may include: in the display stage, transmitting the data signal to the pixel electrode to realize the display function; in the touch control stage, the touch control driving signal is transmitted to the touch control electrode and the touch control induction signal generated by the touch control electrode is sensed so as to realize the touch control function.

For example, the timing chart for driving the touch panel may be set according to actual requirements, which is not specifically limited in the embodiments of the present disclosure.

For example, the time length of the touch phase may be less than the time length of the display phase, but embodiments of the present disclosure are not limited thereto. For example, according to the actual application requirement, the time length of the touch stage may be equal to the time length of the display stage; the time length of the touch stage may also be equal to one-half or one-tenth of the time length of the display stage. Embodiments of the present disclosure are not limited in this regard.

The operation of the driving method is not in sequence, and each display stage is not required to be accompanied by one touch stage, or each touch stage is accompanied by one display stage, and one touch stage can be set for every two or more display stages under the condition of meeting the touch time precision, so that the power consumption is reduced; one display phase may also be set for every two or more touch phases.

The driving method can further comprise a compensation phase, a reset phase and the like according to the actual application requirements. The compensation phase, the reset phase and the reset phase may be located at a time period before the display phase. For another example, one compensation phase, one reset phase, and one reset phase may be set in a plurality of display phases.

Fig. 6 is a schematic block diagram of an electronic device provided in at least one embodiment of the present disclosure.

For example, as shown in fig. 6, the electronic device 1 includes a touch panel 2 provided in any embodiment of the present disclosure. The touch panel 2 may be the touch panel 100.

For example, the touch panel 2 may be a rectangular touch panel, a circular touch panel, an oval touch panel, a polygonal touch panel, or the like. In addition, the touch panel 2 may be not only a planar touch panel, but also a curved touch panel, or even a spherical touch panel.

For example, the electronic device 1 provided by the embodiment of the present disclosure may be any product or component with a touch function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, and a navigator.

It should be noted that other components of the electronic device 1 (such as the control device, the image data encoding/decoding device, the row scan driver, the column scan driver, the clock circuit, etc.) are understood by those skilled in the art, and are not described herein again, nor should they be construed as limiting the present invention.

The electronic device 1 provided by the embodiment of the disclosure can achieve the same technical effects as the touch panel provided by the embodiment of the disclosure.

At least one embodiment of the present disclosure also provides a non-transitory computer-readable storage medium, and fig. 7 is a schematic diagram of a non-transitory computer-readable storage medium provided by at least one embodiment of the present disclosure.

For example, as shown in fig. 7, a non-transitory computer-readable storage medium 700 may store, non-transitory, one or more computer-executable instructions 701. For example, the computer-executable instructions 701, when executed by a computer, may perform one or more steps in accordance with the touch method described above.

For example, the non-transitory computer-readable storage medium 700 may include any combination of one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. Volatile memory can include, for example, random Access Memory (RAM), cache memory (or the like). By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (ESDRAM), synchronous Link Dynamic Random Access Memory (SLDRAM), and direct memory bus random access memory (DRRAM). The non-volatile memory may include, for example, read-only memory (ROM), programmable read-only memory (PROM), hard disk, erasable programmable read-only memory (EPROM), portable compact disc read-only memory (CD-ROM), USB memory, flash memory, and the like. It should be noted that the memory described in this disclosure is intended to comprise, without being limited to, these and any other suitable types of memory.

For example, various applications, various data, and the like may also be stored in the non-transitory computer-readable storage medium 700.

For the present disclosure, there are also the following points to be explained:

(1) The drawings of the embodiments of the disclosure only relate to the structures related to the embodiments of the disclosure, and other structures can refer to the common design.

(2) Thicknesses and dimensions of layers or structures may be exaggerated in the drawings used to describe embodiments of the present invention for clarity. It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.

(3) Without conflict, embodiments of the present disclosure and features of the embodiments may be combined with each other to arrive at new embodiments.

The above description is only a specific embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure should be subject to the scope of the claims.

Claims

1. A touch panel includes a touch chip and a touch electrode,

wherein the touch chip is configured to generate a touch driving signal and apply the touch driving signal to the touch electrode,

the touch electrode is configured to receive the touch driving signal and generate a touch sensing signal based on the touch driving signal,

the touch driving signal comprises a plurality of sub-signals, the plurality of sub-signals comprise a first sub-signal and a second sub-signal, and the first sub-signal and the second sub-signal are different;

wherein each sub-signal has a plurality of characteristics, the plurality of characteristics of each sub-signal comprising a rising edge time, a falling edge time and a duration of the sub-signal,

at least one characteristic of the first sub-signal and at least one characteristic of the second sub-signal are different.

2. The touch panel of claim 1, wherein the plurality of sub-signals comprises a plurality of sub-signal groups, each sub-signal group comprising N sub-signals, N being a positive integer greater than 1,

the N sub-signals include the first sub-signal and the second sub-signal.

3. The touch panel of claim 2, wherein at least two of the N rising edge times respectively corresponding to the N sub-signals are different.

4. The touch panel according to claim 3, wherein the N sub-signals are sequentially generated in time, and N rising edge times respectively corresponding to the N sub-signals sequentially increase or decrease according to a generation sequence of the N sub-signals.

5. The touch panel according to any one of claims 2 to 4, wherein the N falling edge times corresponding to the N sub-signals are the same.

6. The touch panel according to any one of claims 2 to 4, wherein at least two of the N falling edge times respectively corresponding to the N sub-signals are different.

7. The touch panel according to claim 6, wherein the N sub-signals are sequentially generated in time, and the N falling edge times respectively corresponding to the N sub-signals sequentially increase or sequentially decrease according to a generation order of the N sub-signals.

8. The touch panel according to any one of claims 2 to 4, wherein the N durations of the N sub-signals are the same.

9. The touch panel according to any one of claims 2 to 4, wherein at least two of the N durations respectively corresponding to the N sub-signals are different.

10. The touch panel according to claim 9, wherein the N sub-signals are sequentially generated in time, and N durations respectively corresponding to the N sub-signals sequentially increase or decrease according to a generation order of the N sub-signals.

11. The touch panel according to claim 10, wherein a difference in duration of two sub-signals generated adjacent in time among the N sub-signals is a fixed value.

12. The touch panel of claim 2 or 3, wherein the N sub-signals further comprise a third sub-signal,

the first sub-signal is a triangular wave signal, the second sub-signal is a sine wave signal, and the third sub-signal is a trapezoidal wave signal.

13. Touch panel according to any one of claims 1-4, further comprising a shielding electrode,

wherein the touch chip is configured to apply the touch driving signal to the touch electrode in a touch stage,

the touch chip is configured to generate and apply a shield signal to the shield electrode during the touch phase,

the shielding signal is the same as the touch driving signal.

14. The touch panel of claim 13, further comprising: a data line, a gate line, a pixel electrode, and a transistor,

wherein a gate electrode of the transistor is electrically connected to the gate line, a first electrode of the transistor is electrically connected to the data line, and a second electrode of the transistor is electrically connected to the pixel electrode,

the data line and/or the grid line are multiplexed into the shielding electrode.

15. The touch panel of any one of claims 1-4, further comprising: a touch-control signal line for transmitting a touch-control signal,

wherein the touch electrode is connected to the touch chip through the touch signal line,

the touch chip applies the touch driving signal to the touch electrode through the touch signal line,

the touch control chip receives the touch control induction signal generated by the touch control electrode through the touch control signal line so as to realize a touch control function.

16. A touch method applied to the touch panel according to any one of claims 1 to 15, comprising: in the touch control stage:

generating the touch driving signal;

applying the touch driving signal to the touch electrode;

the touch electrode generates the touch sensing signal,

and sensing the touch sensing signal to realize a touch function.

17. The touch method of claim 16, wherein, in a case where the touch panel includes a shield electrode, the touch method further comprises: in the touch control stage:

generating a shielding signal, wherein the shielding signal is the same as the touch driving signal;

applying the shielding signal to the shielding electrode.

18. An electronic device, comprising: the touch panel of any one of claims 1-15.

19. A non-transitory computer-readable storage medium storing computer-executable instructions,

wherein the computer executable instructions, when executed by a computer, implement the touch method of claim 16 or 17.